circle

A circle is named by its _________________________.

• a. Center

• b. Diameter

• c. Radius

• d. Chord

  Is an angle formed by two chords in a circle which have common endpoint?

• a. Right Angle

• b. Central Angle

• c. Inscribed Angle

• d. Straight Angles

Is a portion of a circumference of a circle?

• a. Chord

• b. Diameter

• c. Arc

• d. Radius

  It is the longest chord of a circle.

• a. Chord

• b. Diameter

• c. Line

• d. Radius

A segment drawn from any point on the circle to the center.

• a. Chord

• b. Diameter

• c. Line

• d. Radius

  A secant is a line that contains a chord.                

• True

• False

A chord that contains the center of the circle is called diameter.

• True

• False

If a circle is divided into three equal arcs, each is a major arc.

• True

• False

Answer explanation

For unequal arcs, there can be major and minor arcs. So equal arcs on a circle cannot be said as a major arc or a minor arc.

   A circle has only a finite number of equal chords.

• True

• False

Answer explanation

There can be infinite numbers of equal chords of a circle.

  Line segment joining the center to any point on the circle is a radius of the circle.

• True

• False

Answer explanation

Any line segment drawn from the center of the circle to any point on it is the radius of the circle and will be of equal length.